CN211043642U - Socket test circuit and socket tester - Google Patents
Socket test circuit and socket tester Download PDFInfo
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- CN211043642U CN211043642U CN201921578324.8U CN201921578324U CN211043642U CN 211043642 U CN211043642 U CN 211043642U CN 201921578324 U CN201921578324 U CN 201921578324U CN 211043642 U CN211043642 U CN 211043642U
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Abstract
A socket test circuit and a socket tester comprise a voltage detection module, a control module and a display module; the voltage detection module detects the voltage of the live wire to generate a first voltage detection signal, detects the voltage of the zero line to generate a second voltage detection signal, and detects the voltage of the ground wire to generate a third voltage detection signal; the control module generates a display signal according to the first voltage detection signal, the second voltage detection signal and the third voltage detection signal; the display module displays according to the display signal; when realizing being surveyed the test to being surveyed the socket, can audio-visual present the live wire of being surveyed the socket, the wiring condition of zero line and ground wire to and audio-visual display is surveyed the voltage value of socket, leakage voltage value and voltage frequency value, in case when the bad consequences such as socket electric leakage and wiring are incorrect appear, the power consumption security of being surveyed the socket of judgement that can be timely, accurate reminds the user to carry out in time the maintenance to being surveyed the socket, socket efficiency of software testing and power consumption security have been improved.
Description
Technical Field
The utility model belongs to the technical field of electrical measurement instrument, especially, relate to a socket test circuit and socket tester.
Background
Electric energy is widely used in various fields such as power, lighting, chemistry, textile, communication, broadcasting, etc. as an economical, practical, clean and easily controlled and converted energy form, and plays a significant role in our lives, for example, in house decoration, where correct and reasonable electrical installation is required. The socket is a switching interface device of various wiring, and circuits without a zero line and a live line cannot be used if the socket is electrically installed; the lack of ground wire is unsafe, and the socket with the staggered live wire and ground wire can be used, but the real live wire circuit can not be broken when the power is cut off, so that the danger is caused; live wire, zero line dislocation can be electrocuted easily, consequently need be after having installed electric, detect live wire, zero line and ground wire etc. to know whether the socket inserts the circuit and whether correct and insert the electric parameter value of each circuit, reduce the power consumption potential safety hazard.
At present, socket testers in the market indicate state information through L ED to indicate correctness and mistakes of socket access lines, so that a test result needs to be judged by comparing table board symbols on the testers, but the table board space is limited, written character symbols cannot be clearly recognized, some characters are printed too little, or an operator is too far away from the equipment or the observation angle is influenced, the measurement comparison table above cannot be seen clearly, and time is delayed.
Therefore, the problem that the socket testing efficiency is low and the power utilization safety is poor due to the fact that the test result cannot be visually displayed when the state of the socket access line is tested exists in the traditional technical scheme.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a socket test circuit and socket tester, can not carry out visual display to the test result when aiming at solving the state of the test socket access line that exists among the traditional technical scheme and lead to the problem that socket efficiency of software testing is low and power consumption security is poor.
The utility model provides a first aspect of the embodiment provides a socket test circuit, include:
the voltage detection module is used for detecting the voltage of the live wire to generate a first voltage detection signal, detecting the voltage of the zero line to generate a second voltage detection signal, and detecting the voltage of the ground wire to generate a third voltage detection signal;
the control module is connected with the voltage detection module and used for generating a display signal according to the first voltage detection signal, the second voltage detection signal and the third voltage detection signal;
and the display module is connected with the control module and used for displaying according to the display signal.
In one embodiment, the socket test circuit further comprises:
the voltage reduction and stabilization module is connected with the control module and used for generating a first direct current according to the live wire voltage, the zero line voltage and the ground wire voltage;
the control module is specifically configured to generate the display signal according to the first direct current, the first voltage detection signal, the second voltage detection signal, and the third voltage detection signal.
In one embodiment, the socket test circuit further comprises:
the voice module is connected with the control module and used for carrying out voice broadcasting according to voice signals;
the control module is specifically configured to generate the voice signal according to the first voltage detection signal, the second voltage detection signal, and the third voltage detection signal.
In one embodiment, the socket test circuit further comprises:
the indicating module is connected with the control module and used for indicating according to the indicating signal;
the control module is specifically configured to generate the indication signal according to the first voltage detection signal, the second voltage detection signal, and the third voltage detection signal.
In one embodiment, the socket test circuit further comprises:
and the protection module is connected with the voltage detection module and is used for performing overcurrent protection and short-circuit protection on the live wire voltage.
In one embodiment, the display module includes at least one of an L ED nixie tube and a display screen.
In one embodiment, the voltage detection module comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor and an eighth resistor;
a first end of the first resistor is connected with a first end of the second resistor, a second end of the second resistor is connected with a first end of the third resistor, a second end of the third resistor is connected with a power ground, a second end of the first resistor is connected with a first end of the fourth resistor and a first end of the fifth resistor, a second end of the fourth resistor is connected with a first end of the seventh resistor, a second end of the seventh resistor is connected with a power ground, a second end of the fifth resistor is connected with a first end of the sixth resistor, a second end of the sixth resistor is connected with a first end of the eighth resistor, and a second end of the eighth resistor is connected with a power ground;
the first end of the first resistor and the first end of the second resistor are jointly formed into a live wire voltage input end of the voltage detection module;
the first end of the fourth resistor is a zero line voltage input end of the voltage detection module;
the first end of the sixth resistor is a ground wire voltage input end of the voltage detection module;
the second end of the second resistor is a first voltage detection signal output end of the voltage detection module;
a second end of the fourth resistor is a second voltage detection signal output end of the voltage detection module;
and the second end of the sixth resistor is a third voltage detection signal output end of the voltage detection module.
In one embodiment, the control module comprises a microprocessor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor and a ninth resistor;
the analog power supply end of the microprocessor is connected with the first end of the first capacitor, the analog common ground end of the microprocessor is connected with the first end of the second capacitor, the ground end of the microprocessor is connected with a power ground, the reset end of the microprocessor is connected with the first end of the third capacitor and the first end of the ninth resistor, the second end of the third capacitor is connected with the power ground, the second end of the ninth resistor is connected with a first direct current, the power supply end of the microprocessor is connected with the first end of the fourth capacitor and the first direct current, and the second end of the fourth capacitor is connected with the power supply and the display power supply end of the microprocessor and the power ground;
a first analog input end of the microprocessor is a first voltage detection signal input end of the control module; a second analog input end of the microprocessor is a second voltage detection signal input end of the control module; a third analog input end of the microprocessor is a third voltage detection signal input end of the control module;
the first digital input end of the microprocessor and the first digital output end of the microprocessor are jointly formed into a voice signal output end of the control module;
the display common end of the microprocessor and the display section end of the microprocessor are jointly formed into a display signal output end of the control module;
and the first digital input and output end of the microprocessor, the second digital input and output end of the microprocessor and the third digital input and output end of the microprocessor are jointly formed into an indication signal output end of the control module.
In one embodiment, the voice module comprises a voice chip, a fifth capacitor, a tenth resistor, an eleventh resistor and a loudspeaker;
a power supply end of the voice chip is connected with a first end of the fifth capacitor and a first direct current, a data input end of the voice chip is connected with a first end of the tenth resistor, a data output end of the voice chip is connected with a first end of the eleventh resistor, a second end of the tenth resistor and a second end of the eleventh resistor are connected with a power ground, a first driving end of the voice chip and a second driving end of the voice chip are connected with the loudspeaker, and a power ground end of the voice chip is connected with the power ground;
the data input end of the voice chip and the data output end of the voice chip are jointly formed into a voice signal input end of the voice module.
A second aspect of the embodiments of the present invention provides a socket tester, which comprises the socket test circuit.
In the embodiment, the voltage detection module, the control module, the display module, the voltage reduction and stabilization module, the voice module and the indication module are used for visually displaying the wiring conditions of the live wire, the zero wire and the ground wire of the tested socket and visually displaying the voltage value, the leakage voltage value and the voltage frequency value of the tested socket when the tested socket is tested. Furthermore, voltage value, leakage voltage value, voltage frequency value can also be reported in the correct wiring condition, in case when the socket leaks electricity or the wiring is incorrect etc. bad consequence, can be timely, accurate judgement electric leakage security to and in time point out under the incorrect condition of wiring, so that remind the user to carry out in time the maintenance to being surveyed the socket, improved socket efficiency of software testing, also improved the power consumption security.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a socket test circuit according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a socket test circuit according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a socket test circuit according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a socket test circuit according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a socket test circuit according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a socket test circuit according to an embodiment of the present invention;
fig. 7 is a schematic circuit diagram illustrating an example of a socket test circuit according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a schematic structural diagram of a socket test circuit according to an embodiment of the present invention is shown, for convenience of description, only the relevant portions of the socket test circuit are shown, and the details are as follows:
a socket test circuit comprises a voltage detection module 11, a control module 12 and a display module 13.
The voltage detection module 11 is configured to detect a live voltage to generate a first voltage detection signal, detect a zero line voltage to generate a second voltage detection signal, and detect a ground voltage to generate a third voltage detection signal; the control module 12 is connected to the voltage detection module 11, and configured to generate a display signal according to the first voltage detection signal, the second voltage detection signal, and the third voltage detection signal; the display module 13 is connected to the control module 12 and configured to display according to the display information.
In specific implementation, the voltage detection module 11 detects the live wire voltage, the zero line voltage and the ground wire voltage, so as to detect the leakage voltage of the tested socket, and output the detection result to the control module 12, the control module 12 performs calculation, analysis, judgment and other processing according to the first voltage detection signal, the second voltage detection signal and the third voltage detection signal to generate a display signal, and the control display module displays the voltage value and the voltage frequency value, wherein the display signal carries the voltage value under the correct wiring condition, the leakage voltage value and the voltage frequency value, and the visual display displays the measurement result of the tested socket, so that the test efficiency of the socket is improved, and a tester can conveniently and visually know the wiring condition of the socket so as to adjust the socket in time.
In specific implementation, a wireless communication module can be further arranged, and the display signal is wirelessly transmitted to the terminal equipment in a wireless communication mode so as to display the test result on the terminal equipment.
Referring to fig. 2, in one embodiment, the socket test circuit further includes a buck regulator module 14.
The voltage reduction and stabilization module 14 is connected with the control module 12 and is used for generating a first direct current according to the live wire voltage, the zero line voltage and the ground wire voltage; the control module 12 is specifically configured to generate a display signal according to the first direct current, the first voltage detection signal, the second voltage detection signal, and the third voltage detection signal.
In specific implementation, the voltage reduction and stabilization module 14 performs voltage reduction and stabilization on the connected live line voltage, zero line voltage and ground line voltage to generate a first low-voltage stable direct current, and supplies power to each functional module, and the control module 12 performs calculation, analysis, judgment and other processing on the first voltage detection signal, the second voltage detection signal and the third voltage detection signal according to the first direct current to generate a display signal, so that the measurement result is visually displayed through the display module. The voltage conversion and the voltage stabilization are carried out on the accessed voltage to generate the first direct current to supply power to each internal functional module, the use of a battery is reduced, the cost is reduced, and the practicability of the device is improved.
Referring to fig. 3, in one embodiment, the socket test circuit further includes a voice module 15.
The voice module 15 is connected with the control module 12 and used for carrying out voice broadcast according to the voice signal; the control module 12 is specifically configured to generate a voice signal according to the first voltage detection signal, the second voltage detection signal, and the third voltage detection signal.
In specific implementation, the control module 12 is powered by the first direct current, and calculates, analyzes, and judges the first voltage detection signal, the second voltage detection signal, and the third voltage detection signal to generate a voice signal, wherein the voice signal carries the wiring state information and the voltage value under the correct wiring condition, the leakage voltage value, the voltage frequency value, and the wrong wiring condition, but does not display the measurement value but prompts or alarms, and the control voice module 15 broadcasts the voltage value, the voltage frequency value, and the wiring condition, so that when a measurer does not look over the display information conveniently, the measurer can timely know the result of measuring the socket to be measured, and the practicability of the device is improved.
Referring to fig. 3, in one embodiment, the socket test circuit further includes an indication module 16.
The indication module 16 is connected with the control module 12 and used for indicating according to the indication signal; the control module 12 is specifically configured to generate an indication signal according to the first voltage detection signal, the second voltage detection signal, and the third voltage detection signal.
In specific implementation, the control module 12 can determine the connection conditions of the live wire, the zero wire and the ground wire of the tested socket according to the first voltage detection signal, the second voltage detection signal and the third voltage detection signal, and the indication module 16 indicates the connection result according to the indication signal, for example, indicates the connection conditions of the tested socket, such as correct connection, no ground wire access to the tested socket, no zero wire access to the tested socket, a ground wire end to the live wire in the tested socket, a live wire end to the tested socket, an inverted connection of the live wire and the zero wire of the tested socket, and lack of the ground wire and no live wire access to the live wire end.
Referring to fig. 5, in one embodiment, the socket test circuit further includes a protection module 17.
The protection module 17 is connected with the voltage checking module 11 and is used for performing overcurrent protection and short-circuit protection on the live wire voltage.
In a specific implementation, the protection module 17 includes a fuse or a fuse, and can shut off the voltage of the live wire under the conditions of short circuit and overcurrent, so as to protect the rear-end electric components from being damaged.
In one embodiment, the display module 13 includes at least one of an L ED nixie tube and a display screen.
In the concrete implementation, can carry out the display of long number to measured voltage value, leakage voltage value and voltage frequency value etc. through L ED charactron or display screen, the tester of being convenient for can clearly audio-visually understand the test result.
Referring to fig. 6, in one embodiment, the voice module 15 includes a voice processing unit 151 and a playing unit 152.
The voice processing unit 151 is connected to the control module 12 and configured to generate a voice driving signal according to the voice signal; the playing unit 152 is connected to the voice processing unit and is configured to perform voice broadcast according to the voice driving signal.
Referring to fig. 7, in one embodiment, the voltage detection module 11 includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, and an eighth resistor R8.
A first end of the first resistor R1 is connected to a first end of the second resistor R2, a second end of the second resistor R2 is connected to a first end of the third resistor R3, a second end of the third resistor R3 is connected to power ground, a second end of the first resistor R1 is connected to a first end of the fourth resistor R4 and a first end of the fifth resistor R5, a second end of the fourth resistor R4 is connected to a first end of the seventh resistor R7, a second end of the seventh resistor R7 is connected to power ground, a second end of the fifth resistor R5 is connected to a first end of the sixth resistor R6, a second end of the sixth resistor R6 is connected to a first end of the eighth resistor R8, and a second end of the eighth resistor R8 is connected to power ground.
The first terminal of the first resistor R1 and the first terminal of the second resistor R2 are commonly configured as the hot voltage input terminal of the voltage detection module 11.
A first end of the fourth resistor R4 is a zero line voltage input end of the voltage detection module 11.
A first end of the sixth resistor R6 is a ground voltage input end of the voltage detection module 11.
The second end of the second resistor R2 is the first voltage detection signal output end of the voltage detection module 11.
The second end of the fourth resistor R4 is the second voltage detection signal output end of the voltage detection module 11.
The second end of the sixth resistor R6 is the third voltage detection signal output end of the voltage detection module 11.
Referring to fig. 7, in one embodiment, the control module 12 includes a microprocessor U1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, and a ninth resistor R9.
An analog power supply end VDDA of the microprocessor U1 is connected with a first end of a first capacitor C1, an analog common ground end ACM of the microprocessor U1 is connected with a first end of a second capacitor C2, a ground end GND of the microprocessor U1 is connected with a power ground, a reset end RST of the microprocessor U1 is connected with a first end of a third capacitor C3 and a first end of a ninth resistor R9, a second end of the third capacitor C3 is connected with the power ground, a second end of a ninth resistor R9 is connected with a first direct current, a power supply end of the microprocessor U1 is connected with a first end of a fourth capacitor C4 and a first direct current, and a second end of the fourth capacitor C4 is connected with the power supply and a display power supply end V L CD of the microprocessor U1 and the power ground.
A first analog input AI0 of the microprocessor U1 is a first voltage detection signal input of the control module 12; a second analog input terminal AI1 of the microprocessor U1 is a second voltage detection signal input terminal of the control module 12; a third analog input AI2 of the microprocessor U1 is a third voltage detection signal input of the control module 12.
The first digital input PSDI of microprocessor U1 and the first digital output PSDO of microprocessor U1 together form the voice signal output of control module 12.
The display common terminal COM of the microprocessor U1 and the display segment terminal SEG of the microprocessor U1 are commonly configured as the display signal output terminal of the control module 12.
The first digital input/output terminal PT20 of the microprocessor U1, the second digital input/output terminal PT21 of the microprocessor U1, and the third digital input/output terminal PT22 of the microprocessor U1 together constitute an indication signal output terminal of the control module 12.
Referring to fig. 7, in one embodiment, the voice module 15 includes a voice chip U2, a fifth capacitor C5, a tenth resistor R10, an eleventh resistor R11, and a speaker SP.
A power source terminal VDD of the voice chip U2 is electrically connected to the first terminal of the fifth capacitor C5 and the first dc, a data input terminal SDI of the voice chip U2 is connected to the first terminal of the tenth resistor R10, a data output terminal SDO of the voice chip U2 is connected to the first terminal of the eleventh resistor R11, the second terminals of the tenth resistor R10 and the eleventh resistor R11 are connected to the power ground, the first PWM driving terminal 1 of the voice chip U2 and the second PWM driving terminal 2 of the voice chip U2 are connected to the speaker SP, and the power ground terminal VSS of the voice chip U2 is connected to the power ground.
The data input SDI of the voice chip U2 and the data output SDO of the voice chip U2 together form a voice signal input of the voice module 15.
In a specific implementation, the indication module 16 includes a first light emitting diode D1, a twelfth resistor R12, a second light emitting diode D2, a thirteenth resistor R13, a third light emitting diode D3 and a fourteenth resistor R14, and the microprocessor U1 controls the combined lighting of the first light emitting diode D1, the second light emitting diode D2 and the third light emitting diode D3 to correspondingly indicate different wiring conditions of the live wire, the neutral wire and the ground wire in the tested socket.
The working principle of a socket test circuit will be briefly described with reference to fig. 6 as follows:
the method comprises detecting a connection voltage (power line voltage, neutral line voltage and ground line voltage) of a tested socket by means of voltage dividing resistors (first resistor R1 to eighth resistor R8) of a voltage detection module 11, generating a first voltage detection signal, a second voltage detection signal and a third voltage detection signal at a second terminal of a second resistor R2, at a second terminal of a fourth resistor R4 and at a second terminal of a sixth resistor R6, respectively, and generating a first analog input AI1 of a microprocessor U1, a second analog input AI1 of the microprocessor U1 and a third analog input AI1 of the microprocessor U1, when the first voltage detection signal, the second voltage detection signal and the third voltage detection signal are output to the microprocessor U1, generating a voice signal, a display signal and an indication signal by computing, analyzing and judging, etc. based on the first voltage detection signal, the second voltage detection signal and the third voltage detection signal, generating a voice signal, displaying the voice signal and the voice signal when the power line voltage is input to the microprocessor U1, displaying the voice data indicating that the tested socket is not connected to the power line terminal of the tested socket, displaying the power line voltage, displaying the voice data when the tested socket is connected to the microprocessor U1, displaying the power line voltage, displaying the data is not connected to the microprocessor U1, displaying the voice data indicating that the data is connected to the power line voltage, displaying the second light emitting diode shows that the tested socket by the power line voltage, displaying the microprocessor U1, displaying the second light emitting diode shows that the power line voltage, and the power line voltage, displaying the testing module according to the testing module, and displaying the data shows that the testing module shows that the data shows that the power line testing module shows that the power line testing module shows the power line testing module, the power line testing module shows that the power line testing module, the power line testing module shows the testing module, and the power line testing module, the power line testing module shows the testing module shows that the testing module shows the power line testing module shows the testing module, the power line testing module, the testing module shows the power line testing module shows the testing module shows that the testing module, and the testing module shows that the testing.
The utility model provides a second aspect provides a socket tester, socket tester includes the aforesaid socket test circuit.
The socket tester of foretell embodiment can realize when testing being surveyed the socket, can audio-visual demonstration be surveyed the voltage value of socket, electric leakage voltage value and voltage frequency value, report the wiring condition and the voltage value that measure simultaneously, electric leakage voltage value, voltage frequency value, the live wire of socket being surveyed is directly perceived to the demonstration, the wiring condition of zero line and ground wire, in case the socket electric leakage appears, can in time judge the electric leakage security, and remind the user in time to maintain, socket efficiency of software testing is improved, the power consumption security has also been improved.
Although certain embodiments have been described above with a certain degree of particularity, those skilled in the art could make numerous alterations to the disclosed embodiments without departing from the scope of this disclosure. Joinder references (e.g., attached, coupled, connected, and the like) are to be construed broadly and may include intermediate members between a connection of elements and relative movement between elements. Thus, connection references do not necessarily imply that two elements are directly connected/coupled and in a fixed relationship to each other. The use of "for example" throughout this specification should be interpreted broadly and used to provide non-limiting examples of embodiments of the disclosure, and the disclosure is not limited to such examples. It is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative only and not limiting. Changes in detail or structure may be made without departing from the disclosure.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A socket test circuit, comprising:
the voltage detection module is used for detecting the voltage of the live wire to generate a first voltage detection signal, detecting the voltage of the zero line to generate a second voltage detection signal, and detecting the voltage of the ground wire to generate a third voltage detection signal;
the control module is connected with the voltage detection module and used for generating a display signal according to the first voltage detection signal, the second voltage detection signal and the third voltage detection signal;
and the display module is connected with the control module and used for displaying according to the display signal.
2. The socket test circuit of claim 1, wherein the socket test circuit further comprises:
the voltage reduction and stabilization module is connected with the control module and used for generating a first direct current according to the live wire voltage, the zero line voltage and the ground wire voltage;
the control module is specifically configured to generate the display signal according to the first direct current, the first voltage detection signal, the second voltage detection signal, and the third voltage detection signal.
3. The socket test circuit of claim 1, wherein the socket test circuit further comprises:
the voice module is connected with the control module and used for carrying out voice broadcasting according to voice signals;
the control module is specifically configured to generate the voice signal according to the first voltage detection signal, the second voltage detection signal, and the third voltage detection signal.
4. The socket test circuit of claim 1, wherein the socket test circuit further comprises:
the indicating module is connected with the control module and used for indicating according to the indicating signal;
the control module is specifically configured to generate the indication signal according to the first voltage detection signal, the second voltage detection signal, and the third voltage detection signal.
5. The socket test circuit of claim 1, wherein the socket test circuit further comprises:
and the protection module is connected with the voltage detection module and is used for performing overcurrent protection and short-circuit protection on the live wire voltage.
6. The socket test circuit of claim 1, wherein the display module comprises at least one of an L ED nixie tube and a display screen.
7. The socket test circuit of claim 1, wherein the voltage detection module comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, and an eighth resistor;
a first end of the first resistor is connected with a first end of the second resistor, a second end of the second resistor is connected with a first end of the third resistor, a second end of the third resistor is connected with a power ground, a second end of the first resistor is connected with a first end of the fourth resistor and a first end of the fifth resistor, a second end of the fourth resistor is connected with a first end of the seventh resistor, a second end of the seventh resistor is connected with a power ground, a second end of the fifth resistor is connected with a first end of the sixth resistor, a second end of the sixth resistor is connected with a first end of the eighth resistor, and a second end of the eighth resistor is connected with a power ground;
the first end of the first resistor and the first end of the second resistor are jointly formed into a live wire voltage input end of the voltage detection module;
the first end of the fourth resistor is a zero line voltage input end of the voltage detection module;
the first end of the sixth resistor is a ground wire voltage input end of the voltage detection module;
the second end of the second resistor is a first voltage detection signal output end of the voltage detection module;
a second end of the fourth resistor is a second voltage detection signal output end of the voltage detection module;
and the second end of the sixth resistor is a third voltage detection signal output end of the voltage detection module.
8. The socket test circuit of claim 1, wherein the control module comprises a microprocessor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, and a ninth resistor;
the analog power supply end of the microprocessor is connected with the first end of the first capacitor, the analog common ground end of the microprocessor is connected with the first end of the second capacitor, the ground end of the microprocessor is connected with a power ground, the reset end of the microprocessor is connected with the first end of the third capacitor and the first end of the ninth resistor, the second end of the third capacitor is connected with the power ground, the second end of the ninth resistor is connected with a first direct current, the power supply end of the microprocessor is connected with the first end of the fourth capacitor and the first direct current, and the second end of the fourth capacitor is connected with the power supply and the display power supply end of the microprocessor and the power ground;
a first analog input end of the microprocessor is a first voltage detection signal input end of the control module; a second analog input end of the microprocessor is a second voltage detection signal input end of the control module; a third analog input end of the microprocessor is a third voltage detection signal input end of the control module;
the first digital input end of the microprocessor and the first digital output end of the microprocessor are jointly formed into a voice signal output end of the control module;
the display common end of the microprocessor and the display section end of the microprocessor are jointly formed into a display signal output end of the control module;
and the first digital input and output end of the microprocessor, the second digital input and output end of the microprocessor and the third digital input and output end of the microprocessor are jointly formed into an indication signal output end of the control module.
9. The socket test circuit according to claim 3, wherein the voice module includes a voice chip, a fifth capacitor, a tenth resistor, an eleventh resistor, and a speaker;
a power supply end of the voice chip is connected with a first end of the fifth capacitor and a first direct current, a data input end of the voice chip is connected with a first end of the tenth resistor, a data output end of the voice chip is connected with a first end of the eleventh resistor, a second end of the tenth resistor and a second end of the eleventh resistor are connected with a power ground, a first driving end of the voice chip and a second driving end of the voice chip are connected with the loudspeaker, and a power ground end of the voice chip is connected with the power ground;
the data input end of the voice chip and the data output end of the voice chip are jointly formed into a voice signal input end of the voice module.
10. A socket tester, characterized in that it comprises a socket test circuit according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578324.8U CN211043642U (en) | 2019-09-20 | 2019-09-20 | Socket test circuit and socket tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112666501A (en) * | 2020-12-31 | 2021-04-16 | 惠州市福仪电子科技有限公司 | Socket tester and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666501A (en) * | 2020-12-31 | 2021-04-16 | 惠州市福仪电子科技有限公司 | Socket tester and using method thereof |
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